Pump



Figure 1.1 is a perspective view of a pump;

Figure 1.2 is a front view thereof;

Figure 1.3 is a back view thereof;

Figure 1.4 is a top view thereof;

Figure 1.5 is a bottom view thereof;

Figure 1.6 is a right view thereof;

Figure 1.7 is a left view thereof.

The broken lines in the drawings depict portions of the pump that form no part of the claimed design. 

CLAIM The ornamental design for a pump, as shown and described. 